1230300031 has 4 divisors (see below), whose sum is σ = 1272724200. Its totient is φ = 1187875864.

The previous prime is 1230299977. The next prime is 1230300091. The reversal of 1230300031 is 1300030321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230300031 - 2⁹ = 1230299519 is a prime.

It is a super-2 number, since 2×1230300031² = 3027276332557201922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230299984 and 1230300020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230300091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21212041 + ... + 21212098.

It is an arithmetic number, because the mean of its divisors is an integer number (318181050).

Almost surely, 2^1230300031 is an apocalyptic number.

1230300031 is a deficient number, since it is larger than the sum of its proper divisors (42424169).

1230300031 is an equidigital number, since it uses as much as digits as its factorization.

1230300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42424168.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1230300031 is about 35075.6330092559. The cubic root of 1230300031 is about 1071.5283806558.

Adding to 1230300031 its reverse (1300030321), we get a palindrome (2530330352).

The spelling of 1230300031 in words is "one billion, two hundred thirty million, three hundred thousand, thirty-one".